package lab02.test37;

/**
 * Created by ASUS on 2017/11/21.
 */
public class Graduate extends Student {
    @Override
    String calGrade() {
        String grade="";
        double ave=average();
        if (ave>60){
            grade="通过";

        }else
            grade="不通过";

       return grade;
    }
}
